CN203406694U

CN203406694U - Armature of switch flux linkage linear motor of short permanent magnet and installing rack thereof

Info

Publication number: CN203406694U
Application number: CN201320411737.3U
Authority: CN
Inventors: 蔡炯炯; 卢琴芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-10
Filing date: 2013-07-10
Publication date: 2014-01-22
Anticipated expiration: 2023-07-10

Abstract

The utility model provides an armature of a switch flux linkage linear motor of a short permanent magnet. The armature includes a plurality of iron core modules, permanent magnets, and a three-phase winding, each permanent magnet is sandwiched between every two adjacent iron core modules, each iron core module includes an iron core module main body and a T-shaped top structure, and the permanent magnets are 1/5-1/3 shorter than the iron core module main bodies. The utility model further provides an installing rack of the armature. The installing rack includes a flat support and a plurality of integrally formed cross blocks, and the shapes of the cross blocks are matched with the gaps between the iron core modules and the permanent magnet sandwiched therebtween. The short permanent magnet structure enables a motor system to work under a magnetic optimization state, thereby improving the efficiency and thrust performance, saving the energy consumption of the permanent magnets, and reducing the cost. The iron core modules are hung at the two sides of the crossbeam of each cross block and the lower part of the vertical beam of each cross block abuts against the corresponding permanent magnet, so that the relative position of the permanent magnets and the iron core modules is stable, and the motor system can be guaranteed to run according to the design intention.

Description

A kind of armature and installing rack thereof of switch flux-linkage linear motor of short permanent magnetism

Technical field

The utility model relates to permanent-magnetic switching flux linkage linear motor, relates in particular to armature and the installing rack thereof of the switch flux-linkage linear motor of short permanent magnetism.

Background technology

Motor is the driver part in a lot of kinematic systems, selects suitable motor can optimize the performance of kinematic system, reduce costs.In the occasion rotatablely moving, generally select rotary-type motor.In straight-line occasion, if still adopt turning motor that power is provided, due to the difference of forms of motion, need some to rotatablely move and be transformed into straight-line transmission device as ball-screw etc.The introducing of these transmission devices can make system bulk increase, complex structure, and vibrations, noise increase, and system reliability reduces.From motion control also can make that system responses is slack-off, inertia increase etc.

Directly adopt linear motor can overcome above-mentioned many difficulties, and linear motor is not owing to there is no the constraint of centrifugal force, it is higher that its acceleration and speed can be done than electric rotating machine, can make system have speed and response faster.Permanent synchronous linear electric motor particularly, exerts oneself and high stationkeeping ability becomes the first-selection that high-performance linear drives with its efficient, high unit volume.But the winding of conventional permanent synchronous linear electric motor and permanent magnet are respectively on mover or stator, and when stroke is long, during as the supply line in factory or subway etc., winding or permanent magnet quantity are very huge, and cost is very high.

Permanent-magnetic switching flux linkage linear synchronized motor, its permanent magnet and coil windings are all on short mover, and stator is only formed by silicon steel plate stacking.When stroke is longer, only need to extend laying silicon steel sheet stator just passable.The copper winding that cost is higher and permanent magnet are only laid just passable in mover length, significantly reduce costs.But the conventional design of this permanent-magnetic switching flux linkage linear synchronized motor still has many weak points: as for facility, usually the height of permanent magnet is made to height the same as module bodies, a lot of occasions can be excessive due to magnetic field, there will be local saturated, cause field waveform distortion, finally make force oscillation increase, thrust quality declines.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of armature of switch flux-linkage linear motor of short permanent magnetism, can make electric system work under magnetic Optimal State, raises the efficiency and thrust performance.

For this reason, the utility model is by the following technical solutions: a kind of armature of switch flux-linkage linear motor of short permanent magnetism, comprise a plurality of iron core modules, permanent magnet and three phase windings, described a plurality of iron core module is parallel arranges side by side, described permanent magnet is folded between adjacent iron core module, described iron core module comprises iron core module bodies and is located at the T-shaped top structure on iron core module bodies top, the short 1/5-1/3 of height of iron core module bodies described in the aspect ratio of described permanent magnet.

When adopting technique scheme, the utility model is further technical scheme below can also adopting or combine and adopting:

The magnetizing direction of adjacent permanent magnet is contrary.

Described iron core module bodies is inverted U, and two U-shaped limits of inverted U iron core module bodies form the canine tooth of described armature, and the end of canine tooth has two or more little teeth.

Described three phase windings are wound on respectively on the U-shaped limit of adjacent two iron core module bodies, are folded in permanent magnet between these adjacent two iron core modules by around wherein.

The two ends of described armature are provided with auxiliary tooth, and described auxiliary tooth and canine tooth immediate with it form an inverted U iron core module bodies.

Described iron core module is pressed into by silicon steel sheet stack.

Another technical problem to be solved in the utility model is to provide a kind of installing rack of armature of switch flux-linkage linear motor of above-mentioned short permanent magnetism, makes the Relative position determination of armature and permanent magnet, reliable.

For this reason, the utility model is by the following technical solutions: a kind of installing rack of armature of switch flux-linkage linear motor of short permanent magnetism, described installing rack comprises flat bracket, described flat bracket below is provided with and the integrated a plurality of hydraulic steering gear adopting cross pieces of described flat bracket, and the space between the shape of described a plurality of hydraulic steering gear adopting cross pieces and described a plurality of iron core module and therebetween sandwiched permanent magnet is suitable.

Described installing rack adopts hard aluminium to make.

Owing to adopting the technical solution of the utility model, short magnet structure of the present utility model can make electric system work under magnetic Optimal State, raise the efficiency and thrust performance, and the consumption that can save permanent magnet, thereby reduce costs; The hydraulic steering gear adopting cross piece crossbeam both sides of installing rack tangle iron core module, and permanent magnet is withstood in vertical beam bottom, make permanent magnet and iron core module relative position firm, guarantee that electric system efficiently moves by design idea; And installing rack adopts hard aluminium, lightweight, good rigidity, can, every magnetic, guarantee respectively to move between parts and be independent of each other again.

Accompanying drawing explanation

Fig. 1 is overall structure schematic diagram of the present utility model.

Fig. 2 is winding connection schematic diagram of the present utility model.

Embodiment

With reference to accompanying drawing 1.The switch flux-linkage linear motor of short permanent magnetism of the present utility model comprise armature 1 and with the suitable stator 12 of armature 1, armature 1 top arranges the installing rack 2 of armature 1.

Armature 1 comprises a plurality of iron core modules 9, permanent magnet and three phase windings that consist of A phase winding 3, B phase winding 4 and C phase winding 5, a plurality of iron core modules 9 are parallel arranges side by side, permanent magnet is folded between adjacent iron core module 9, two adjacent permanent magnets 6 and 7 magnetizing direction are contrary, wherein, permanent magnet 6 be N to charging permanent magnet, permanent magnet 7 be S to charging permanent magnet, permanent magnet 6 and 7 alternative arrangements.

Iron core module 9 is pressed into by silicon steel sheet stack, iron core module 9 comprises iron core module bodies and is arranged at the T-shaped top structure on iron core module bodies top, the height of the height of permanent magnet and iron core module bodies is inconsistent, than the short 1/5-1/3 of the height of iron core module bodies, form thus short permanent-magnet structure, the optimal height of permanent magnet and its iron core modular structure Size dependence.

Iron core module bodies is inverted U, two U-shaped limits of inverted U iron core module bodies have formed the canine tooth 10 of armature 1, the end of canine tooth 10 has little tooth 11, the number of little tooth 11 can arrange according to actual needs, on armature 1, form thus multiple toothly, stator is provided with the multiple tooth suitable teeth groove with armature 1.The structure of multiple tooth armature can be saved permanent magnet consumption, reduces force oscillation, improves and mechanical mass.

Three-phase winding coil 3,4 and 5 respectively on adjacent two canine tooths 10, and by the permanent magnet between adjacent two canine tooths 10 around its inside.Three winding coils 3,4,5 and the permanent magnet 6 or 7 being wound on respectively in 10,3 pairs of canine tooths 10 of 3 pairs of canine tooths wherein thereof form a power unit group, armature 1 in the present embodiment comprises such two power unit groups, and the number of power unit group can arrange according to the actual needs of power output.

The needs of considering magnetic circuit integrality and inhibition force oscillation, the two ends of armature 1 are provided with auxiliary tooth 8 symmetrically, and auxiliary tooth 8 and a canine tooth 10 nearest with it form a complete inverted U iron core module bodies.

Installing rack 2 is made by hard aluminium, and the top of installing rack 2 is slab construction, and slab construction below is provided with a plurality of hydraulic steering gear adopting cross pieces, and slab construction and hydraulic steering gear adopting cross piece one process.The shape of hydraulic steering gear adopting cross piece and adjacent iron core module 9 and to be folded in the space forming between permanent magnet therebetween suitable, and embed in described space, the header portion of described hydraulic steering gear adopting cross piece tangles the T-shaped top structure of the iron core module on its both sides, permanent magnet is withstood in the bottom of hydraulic steering gear adopting cross piece, makes relative position between iron core module and permanent magnet fixedly reach designing requirement and without relatively moving.

As shown in Figure 2, wherein, dotted line represents A phase winding to winding connection of the present utility model, and solid line represents B phase winding, and dotted line represents C phase winding, and X, Y, Z represent respectively the output of A, B, C tri-phase windings.During actual motion, three phase windings shown in Fig. 2 are connected with control circuit, the mover detecting according to transducer and stator relative position information, control circuit is carried out Frequency Drive Control.

Above-described embodiment is for the utility model is described in further detail, but the utility model is not confined to these embodiments.One skilled in the art would recognize that the utility model contained all alternatives, improvement project and the equivalents that within the scope of claims, may comprise.

Claims

1. the armature of the switch flux-linkage linear motor of a short permanent magnetism, comprise a plurality of iron core modules, permanent magnet and three phase windings, it is characterized in that: described a plurality of iron core modules are parallel arranges side by side, described permanent magnet is folded between adjacent iron core module, described iron core module comprises iron core module bodies and is located at the T-shaped top structure on iron core module bodies top, the short 1/5-1/3 of height of iron core module bodies described in the aspect ratio of described permanent magnet.

2. the armature of the switch flux-linkage linear motor of a kind of short permanent magnetism as claimed in claim 1, is characterized in that: the magnetizing direction of adjacent permanent magnet is contrary.

3. the armature of the switch flux-linkage linear motor of a kind of short permanent magnetism as claimed in claim 1, it is characterized in that: described iron core module bodies is inverted U, two U-shaped limits of inverted U iron core module bodies form the canine tooth of described armature, and the end of canine tooth has two or more little teeth.

4. the armature of the switch flux-linkage linear motor of a kind of short permanent magnetism as claimed in claim 3, it is characterized in that: described three phase windings are wound on respectively on the U-shaped limit of adjacent two iron core module bodies, be folded in permanent magnet between these adjacent two iron core modules by around wherein.

5. the armature of the switch flux-linkage linear motor of a kind of short permanent magnetism as claimed in claim 4, is characterized in that: the two ends of described armature are provided with auxiliary tooth, and described auxiliary tooth and canine tooth immediate with it form an inverted U iron core module bodies.

6. the armature of the switch flux-linkage linear motor of a kind of short permanent magnetism as claimed in claim 1, is characterized in that: described iron core module is pressed into by silicon steel sheet stack.

7. the installing rack of the armature of the switch flux-linkage linear motor of the short permanent magnetism as described in any one in claim 1-6, it is characterized in that: described installing rack comprises flat bracket, described flat bracket below is provided with and the integrated a plurality of hydraulic steering gear adopting cross pieces of described flat bracket, and the space between the shape of described a plurality of hydraulic steering gear adopting cross pieces and described a plurality of iron core module and therebetween sandwiched permanent magnet is suitable.

8. the installing rack of the armature of the switch flux-linkage linear motor of short permanent magnetism as claimed in claim 7, is characterized in that: described installing rack adopts hard aluminium to make.